Adding an identity to an existing column

Question

I need to change the primary key of a table to an identity column, and there\'s already a number of rows in table.

I\'ve got a script to clean up the IDs to ensure

Answer 1

Right click on table name in Object Explorer. You will get some options. Click on 'Design'. A new tab will be opened for this table. You can add Identity constraint here in 'Column Properties'.